C111123313331323113313331333133313331323132311233132322132212111
>>
C11112331333132311331333133313331333132313231123313232213221211
<<
C111123313331323113313331333133313331323132311233132322132212113
>>
C111123313331323113313331333133313331323132311233132322132212112
>>